21770648

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{877}}^1$

素因数の和:1019

約数の個数: 32

約数和(自身を含む): 42670800

約数和(自身を除く): 20900152

約数列:

[1, 2, 4, 8, 29, 58, 107, 116, 214, 232, 428, 856, 877, 1754, 3103, 3508, 6206, 7016, 12412, 24824, 25433, 50866, 93839, 101732, 187678, 203464, 375356, 750712, 2721331, 5442662, 10885324, 21770648]

約数ペア:

[(1, 21770648), (2, 10885324), (4, 5442662), (8, 2721331), (29, 750712), (58, 375356), (107, 203464), (116, 187678), (214, 101732), (232, 93839), (428, 50866), (856, 25433), (877, 24824), (1754, 12412), (3103, 7016), (3508, 6206)]